Which of the following is a true structure of $H_2O_2$?

$(i)$ Give a method for the manufacture of hydrogen peroxide and explain the reactions involved therein.
$(ii)$ Illustrate oxidising,reducing and acidic properties of hydrogen peroxide with equations.

All the products formed in the oxidation of $NaBH_4$ by $I_2$ are

$A$ sample of $H_2O_2$ solution has a volume of $100 \, cm^3$ and it produces $1000 \, cm^3$ of $O_2$ gas at $STP$. What is the volume strength of the given $H_2O_2$ sample?

How many millilitres of $3 \% \left( \frac{w}{v} \right) H_2O_2$ solution is required to get $150 \ mL$ of oxygen at $STP$?

Perhydrol is an aqueous solution of